Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
In Australia, there are spiders big enough to eat snakes.
20